Graco Inc. 1010 Pressure Washer User Manual


 
TROUBLESHOOTING
CHART
WARNING
To
reduce
the
risk
of
serious
bodily
injury, Including fluid injection, splashing
in
the eyes
or
on
the
skin,
or
injury from
moving
parts,
always follow
the
Pressure Relief Procedure Warning before
proceeding.
I
pump
NnS
rough Inlet filter clogged.
I
Low pressure andlor Wom or wrong size
tip.
Worn
packings,
abrasives
in
water
M
natural wear.
Inadequate water supply.
Belt
slippage.
Fouled or
dirty
inlet or discharge valves.
Even
a
small particle can
cause
the valve
to stick.
Restricted inlet.
Worn inlet or discharge valves.
Replace wiih
tip
of proper size.
Clean. Check more frequently.
Check fitter.
Replace
packings.
See
PUMP SERVICE.
Check water flow rate
to
pump. Unit must have
a
mlnimum
55
gallon float valve controlled water holding
tank.
Tighten or replace.
filter.
Clean
inlet
and discharge valve assemblies. Check
Check garden hose, may
be collapsed or kinked.
Replace wom valves.
ReDlace hioh DreSSure hose.
I
PROBLEM
SOLUTION
CAUSE
1
Leaking high pressure hose.
.
.
.
Water leakage from
under
wmo manifold
Install new packings.
See
PUMP SERVICE.
Wom packings.
-.
I
~
"
Water in pump
Humid air condensing inside crankcase.
Install new packings.
See
PUMP SERVICE.
Worn packings.
Change oil
as specified
in
MAINTENANCE.
Install
new
oil
seals.
See
PUMP SERVICE.
Oil
seals
leakino.
v-
r
~ ~~
~~~~
Frequent or
the packings
Install proper flltraiion on pump inlet plumbing.
Abrasive material
in
the
fluid
being pumped.
premature fai'ure
Of
instali new plungers.
~ee
PUMP
SERVICE.
Scored.
damaged or wom plungers.
Inlet water temperature
too
high.
Check water temperature; may not
exceed
1W"
I
Overpressurizing pump.
I
EQUIPMENT MISUSE
HAZARD.
Do
not modify any faciory-set adJusimenis.
See
I
Excessive pressure due
to
parilally plugged or replace
tip.
See
Installing
and
Changlng Spra)
or damaged
tip.
Pump
running
too
long
without
spraylng.
Running pump dry.
Never
run
pump
more
than
10
minutes wiihout sprayin(
Strong surging at the
Foreign particles
in
the inlet
M
discharge
Clean
or replace valves.
See
PUMP SERVICE.
inlet and low pressure
on the discharge side
valve or wom Inlet and/or discharge valves.
Unit will
not
start
Unit not plugged in.
Check power
wrd.
Do not run pump without water.
Electrical sewice off/GFCi activated.
grounding.
Thermal overload has tripped.
Check fuse/clrcuiI breaker. Check for proper
Press reset bmn
on
motor
for
1
phase units. Press
stop button on the mdor siarter for
3
phase unih.
308-533
9